SHARE-BASED COMPENSATION AND BENEFIT PLANS (Stock Option Activity) (Details) - Employee stock option [Member] - Stock option [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-Based Compensation and Benefit Plans
Compensation expense for share-based compensation	$ 5,105	$ 4,557	$ 10,367	$ 9,435
Income tax benefit from compensation expense for share-based compensation	$ 1,314	$ 1,148	$ 2,668	$ 2,377

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-Publisher FASB
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